public void Factorials()
{
Assert.AreEqual(1, Factorial.calculate(1));
Assert.AreEqual(2, Factorial.calculate(2));
Assert.AreEqual(6, Factorial.calculate(3));
Assert.AreEqual(3628800, Factorial.calculate(10));
}
public void FactorialApprovalTests()
{
StringBuilder fakeoutput = new StringBuilder();
Console.SetOut(new StringWriter(fakeoutput));
Console.SetIn(new StringReader("a\n"));
Console.WriteLine("1 -> " + Factorial.calculate(1));
Console.WriteLine("2 -> " + Factorial.calculate(2));
Console.WriteLine("3 -> " + Factorial.calculate(3));
Console.WriteLine("10 -> " + Factorial.calculate(10));
string output = fakeoutput.ToString();
Approvals.Verify(output);
}